How whey boosts your muscles and your mind!

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Not only is whey protein the most effective muscle-building protein source available, exciting new research shows that it may also improve mental function. Serotonin is a brain chemical important for mental performance, sleep regulation and appetite control. Serotonin is made from the amino acid tryptophan.

Alpha-lactalbumin (ALA) found in whey-is high in tryptophan and supplementing it may help boost serotonin levels and brain function.

Dutch researchers found that feeding supplementary ALA found in whey protein to 28 people (half with sleep disorders, half without) improved alertness and performance on the morning after sleep. The changes were particularly impressive in people with sleep disorders, with ALA supplements increasing blood levels of tryptophan by 130 percent.

The supplement reduced daytime sleepiness and improved mental function, including attention and awareness. Supplementing ALA at night increased blood levels of tryptophan that enhanced serotonin levels in the brain and improved sleep. Taking a whey protein supplement at night may enhance recovery from workouts, improve sleep and boost mental performance the next day.

Source: Muscular Development

Ed. Note: The amount of positive research on the benefits of whey is growing every day. Although there are plenty of "bargain basement" whey products out there (where the quality is poor and the vital protein fractions low), I personally use and recommend only high-quality whey that has been processed and manufactured in a precise way to include the key important protein fractions, i.e. Promax by Maximuscle.

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